| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alex Raymond | Crew | Writing | Characters |
Alvin Todd | Crew | Editing | Editor |
Barry Shipman | Crew | Writing | Screenplay |
Basil Dickey | Crew | Writing | Screenplay |
 Ford Beebe | Crew | Directing | Director |
George H. Plympton | Crew | Writing | Screenplay |
Harold H. MacArthur | Crew | Art | Art Direction |
Henry MacRae | Crew | Production | Associate Producer |
Jerome Ash | Crew | Camera | Director of Photography |
Joseph Gluck | Crew | Editing | Editor |
Louis Sackin | Crew | Editing | Editor |
Ray Taylor | Crew | Directing | Director |
Saul A. Goodkind | Crew | Editing | Supervising Editor |
William A. Sickner | Crew | Camera | Director of Photography |
Allan Cavan | Cast | Actor | Man with Thinking Brain (uncredited) |
 Anne Gwynne | Cast | Actress | Sonja |
 Ben Taggart | Cast | Actor | General Lupi (uncredited) |
 Buster Crabbe | Cast | Actor | Flash Gordon |
 Byron Foulger | Cast | Actor | Professor Drok |
 Carmen D'Antonio | Cast | Actress | Ming's Dancing Girl (uncredited) |
 Carol Hughes | Cast | Actress | Dale Arden |
 Charles Middleton | Cast | Actor | Emperor Ming |
 Charles Sherlock | Cast | Actor | Guard Kroad (uncredited) |
Charles Waldron Jr. | Cast | (uncredited) | |
 Chief Yowlachie | Cast | Actor | King of the Rock People (uncredited) |
Clarice Sherry | Cast | (uncredited) | |
 Don Rowan | Cast | Actor | Captain Torch |
 Donald Curtis | Cast | Actor | Ronal (uncredited) |
 Earl Dwire | Cast | Actor | Janda |
 Eddie Parker | Cast | Actor | Arborian Prison Guard (uncredited) |
 Edgar Edwards | Cast | Actor | Captain Turan |
 Ernie Adams | Cast | Actor | (uncredited) |
 Frank Shannon | Cast | Actor | Dr. Zarkov |
 Gene Rizzi | Cast | Actor | Ming's Soldier (uncredited) |
Harold Daniels | Cast | Actor | (uncredited) |
 Harry C. Bradley | Cast | Actor | Keedish |
 Herbert Rawlinson | Cast | Actor | Dr. Frohmann |
Jack Gardner | Cast | Actor | Professor Gordon's Radio Operator (uncredited) |
Jack George | Cast | Actor | Scientist (uncredited) |
Jack Roper | Cast | Man of Low Intellect (uncredited) | |
 Jean Brooks | Cast | Actress | Olga (uncredited) |
 John Elliott | Cast | Actor | Scientist (uncredited) |
 John Hamilton | Cast | Actor | Professor Gordon |
 Lane Chandler | Cast | Actor | Ming's Soldier (uncredited) |
 Lee Powell | Cast | Actor | Captain Roka |
 Luli Deste | Cast | Actress | Queen Fria (uncredited) |
 Mala | Cast | Actor | Prince of the Rock People (uncredited) |
 Michael Mark | Cast | Actor | Professor Karm |
 Pat Gleason | Cast | Actor | (uncredited) |
Paul Reed | Cast | Actor | (uncredited) |
 Reed Howes | Cast | Actor | Barin's Ship #5 Commander (uncredited) |
Robert Blair | Cast | (uncredited) | |
 Roland Drew | Cast | Actor | Prince Barin |
 Roy Barcroft | Cast | Actor | Ming's Soldier / Arborian Sentry (uncredited) |
Saul A. Goodkind | Cast | Actor | Various Characters (voice) (uncredited) |
 Shirley Deane | Cast | Actress | Princess Aura |
Sigurd Nilssen | Cast | Count Korro | |
 Tom Chatterton | Cast | Actor | Professor Arden |
 Tom Steele | Cast | Actor | Ming's Pilot (uncredited) |
Victor Zimmerman | Cast | Actor | Lieutenant Thong |
Vivian Mason | Cast | Ming's Gong Girl (uncredited) | |
 Wheaton Chambers | Cast | Actor | Scientist (uncredited) |
 William Royle | Cast | Actor | Captain Sudan |
Joey Ray | Cast | Actor | Professor Gordon's Assistant (uncredited) |
Mimi Taylor | Cast | Verna | |
Ernie Payson | Cast | (uncredited) | |
Bill Hunter | Cast | Guard (uncredited) | |
| Person | Type | Job | Role(s) |
